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Finding the Fourth Proportional to 704,939.93, 972,834.73 and 382,649.66

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Solution

The fourth proportional to 704,939.93, 972,834.73 and 382,649.66 is: 528,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,939.93 : 972,834.73 = 382,649.66 : x
  2. Step 2: Convert to fraction form
    704,939.93/972,834.73 = 382,649.66/x
  3. Step 3: Cross multiply
    704,939.93x = 972,834.73 × 382,649.66
  4. Step 4: Simplify right side
    704,939.93x = 372,254,872,849.89
  5. Step 5: Solve for x
    x = 372,254,872,849.89/704,939.93
  6. Step 6: Final answer
    x = 528,066.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.